If children don't eat they aren't healthy., When the weather is fine I cycle to work., Cities get flooded if it rains a lot., Wood doesn't burn if there is no air., I get sick when I eat too much chocolate., Ice floats when you drop it in water., If iron gets wet, it rusts., The grass doesn't grow if it doesn't rain., Plants die if they don't get enough water., When icebergs melt, sea levels rise.

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